55020662 has 8 divisors (see below), whose sum is σ = 82992600. Its totient is φ = 27356464.

The previous prime is 55020661. The next prime is 55020677. The reversal of 55020662 is 26602055.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55020661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76487 + ... + 77202.

It is an arithmetic number, because the mean of its divisors is an integer number (10374075).

Almost surely, 2^55020662 is an apocalyptic number.

55020662 is a deficient number, since it is larger than the sum of its proper divisors (27971938).

55020662 is a wasteful number, since it uses less digits than its factorization.

55020662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153870.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 55020662 is about 7417.5913880450. The cubic root of 55020662 is about 380.3428622980.

It can be divided in two parts, 550 and 20662, that added together give a palindrome (21212).

The spelling of 55020662 in words is "fifty-five million, twenty thousand, six hundred sixty-two".